If you are looking to get your visitors to check out the next article on your blog, after they finish reading the one they are on, this snippet might help. When you reach the end of the page, you can slide out a modal with some info about the next article. It was designed by Tommy Hodgins.
When you scroll down and reach the end of the page you will see the “Next Article” Flyout, it will also work on smaller screen devices.
If you are having trouble with the pen, try the archived copy on GitHub